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Author Topic: 4 second motion detection mp4's , too short  (Read 9769 times)

Digger11

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4 second motion detection mp4's , too short
« on: January 12, 2015, 02:07:28 AM »

Hi,
I have just setup my new dcs-2330. It all works well except that the motion detection videos it records are all 4 seconds long.
I have set the video length to 10 seconds, 30 seconds and 60 seconds, and the emailed mp4s are still all 4 seconds long.
I have stood in front of the camera waving furiously, and only receive a 4 second video.
Anyone else had this problem, or solved it ?
The videos on the SD card are all 4 seconds long as well.

Cheers
Digger
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Digger11

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Re: 4 second motion detection mp4's , too short
« Reply #1 on: January 12, 2015, 03:08:01 AM »

Here is  settingas requested.
Video Clip
  Source: Profile1Profile2
  Pre-event recording:  Second(s) [0~3] 3
  Maximum duration:  Second(s) [1~100] 60
  Maximum file size:  Kbytes [100~5000] 5000
  File Name Prefix:  Medai


I got one 4 second email numbered 21573, which I assume was triggered from the first motion.
I got 8 emails saying that motion had been detected all at 9:58.
CURRENT LOG

1. 2015-01-12 22:00:59 MOTION STOPPED
2. 2015-01-12 22:00:59 IP CAMERA Received MOTION Trigger
3. 2015-01-12 21:58:22 MOTION STOPPED
4. 2015-01-12 21:58:22 IP CAMERA Received MOTION Trigger
5. 2015-01-12 21:58:07 MOTION STOPPED
6. 2015-01-12 21:58:06 IP CAMERA Received MOTION Trigger
7. 2015-01-12 21:58:04 IP CAMERA Received PASSIVE-INFRARED-SENSOR Trigger
8. 2015-01-12 21:58:03 MOTION STOPPED
9. 2015-01-12 21:58:02 IP CAMERA Received MOTION Trigger
10. 2015-01-12 21:58:01 MOTION STOPPED
11. 2015-01-12 21:58:00 IP CAMERA Received MOTION Trigger
12. 2015-01-12 21:57:56 MOTION STOPPED
13. 2015-01-12 21:57:55 IP CAMERA Received MOTION Trigger
14. 2015-01-12 21:57:54 MOTION STOPPED
15. 2015-01-12 21:57:53 IP CAMERA Received MOTION Trigger
16. 2015-01-12 21:57:52 MOTION STOPPED
17. 2015-01-12 21:57:51 IP CAMERA Received PASSIVE-INFRARED-SENSOR Trigger
18. 2015-01-12 21:57:51 IP CAMERA Received MOTION Trigger
19. 2015-01-12 21:57:49 MOTION STOPPED
20. 2015-01-12 21:57:49 IP CAMERA Received MOTION Trigger
« Last Edit: January 12, 2015, 03:24:27 AM by Digger11 »
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cmontyburns

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Re: 4 second motion detection mp4's , too short
« Reply #2 on: January 12, 2015, 07:35:00 PM »

Recordings are limited by the smaller of file size and recording length.  So, if you have a recording length of 30 seconds and a file size of 5000 KB (5 MB), the recording will stop whenever it reaches on of those limits, no matter which one it reaches first.

How big are the 4-second files?  You have a limit of 5 MB set.  4 seconds is awfully short to take up 5 MB, but that's the first thing to check.  You may need to adjust the settings for whichever profile is being recorded to produce a smaller files size per second of recording.
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Digger11

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Re: 4 second motion detection mp4's , too short
« Reply #3 on: January 12, 2015, 09:41:52 PM »

Thanks Monty,

Yes, in HD, the 4 seconds is 5mb. So that will be the problem.

I will lower quality and I reckon that will solve.
I'll report back if I win.

cheers

Doug
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cmontyburns

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Re: 4 second motion detection mp4's , too short
« Reply #4 on: January 13, 2015, 07:34:47 AM »

It sounds like that will do it then.  Good luck.
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Digger11

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Re: 4 second motion detection mp4's , too short
« Reply #5 on: January 14, 2015, 02:45:30 AM »

Hers is an update.
1280 Resolution - 4 second motion detection mp4s
880 Resolution - 6 second mp4's
640 Resolution - 11 second mp4's

Is still too short I reckon, files emailed are between 2mb and 4 mb in size.

I would really like to lengthen the recording length if possible

thanks

Digger
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cmontyburns

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Re: 4 second motion detection mp4's , too short
« Reply #6 on: January 14, 2015, 06:24:19 PM »

The frame rate and quality settings are likely to have more of an impact on file size than resolution.  Also the codec (mode) used.  Try adjusting those. 

To give you a frame of reference, my recordings are based on

Mode - H.264
Frame size - 1280x720
Maximum frame rate - 15
Video quality - constant bit rate - 2M

This combination produces a 5MB file that is 20 seconds long.  If I wanted it to be longer, I would first lower the video quality as that is the least important variable to me.  Your priorities may differ of course.
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Digger11

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Re: 4 second motion detection mp4's , too short
« Reply #7 on: January 15, 2015, 03:31:47 AM »

Thanks Mont,

That really helps, i. Never thought of adjusting those parameters.

Will try tomorrow and report back.

Cheers
Digger
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Digger11

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Re: 4 second motion detection mp4's , too short
« Reply #8 on: January 15, 2015, 08:14:22 PM »

Interesting that the firmware update to 1.20 reset the maximum file length to only 2mb (not 5mb).
Have reset this and will see how I go.
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cmontyburns

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Re: 4 second motion detection mp4's , too short
« Reply #9 on: January 16, 2015, 06:52:30 PM »

Any luck?
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Digger11

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Re: 4 second motion detection mp4's , too short
« Reply #10 on: April 05, 2015, 02:31:34 AM »

I get about 20 seconds now. Would like longer, but is acceptable.
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